21861 Maryhedberg

21861 Maryhedberg
Maryhedberg
Discovery and designation
Discovered by Lincoln Laboratory Near-Earth Asteroid Research Team
Discovery site Socorro
Discovery date October 12, 1999
Designations
MPC designation 21861
Alternate name(s) 1999 TU189
Epoch May 14, 2008
Ap 3.1003164
Peri 2.8378114
Eccentricity 0.0442067
Orbital period 1868.6490264
Mean anomaly 106.71772
Inclination 9.45930
Longitude of ascending node 285.17544
Argument of peri 248.00285
Absolute magnitude (H) 14.6

21861 Maryhedberg (1999 TU189) is a main-belt asteroid discovered on October 12, 1999 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.

References

External links


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